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Name derivation:

(Gr.)chondros cartilaginous or grainy


Chondria  C. Agardh  1816;  80 of 167 species descriptions are currently accepted taxonomically (Guiry and Guiry 2016).


Size range of species is from mm to > 1 m long.  Highly branched, cylindrical to flattened axes, radial branching (Ibid.).

Similar genera:



Subtropical to tropical marine habitats in shallow zones.


Agardh, C.A.  1817.  Synopsis algarum Scandinaviae, adjecta dispositione universali algarum. pp. [i]-xl, [1]-135. Lundae [Lund]: Ex officina Berlingiana.

Dawes, C. J. and A. C. Mathieson. 2008. The seaweeds of Florida. Univ. Press of Florida, Gainesville, Florida, 591 pp.; Taylor, W. R. 1960. Marine algae of the eastern tropical and subtropical coasts of the America. Univ. Michigan Press, Ann Arbor, 870 pp.

Guiry, M.D. and G.M. Guiry  2016. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 19 September 2013.